Multithreaded video decoding (Windows, Mac OS, and Linux) — The video decoding pipeline is now fully multithreaded. This feature should improve the overall performance on all platforms. Note that this feature is a significant architecture change required for other future improvements.

Flash Player background updates (Windows) — New versions of the runtimes can now be delivered more effectively to the end user with this enhanced updating mechanism (Background update is only available in the release versions of Flash Player).

Note: If you discover missing or broken links to Flash runtime related materials, please try clearing your cache and trying again. If the link continues to be broken, please post a new forum thread or send email to ccampbel@adobe.com so I can investigate further.